Q21. Correct answer is (B) 3.0 moles
Q22. Correct answer is (B) 28 g
Q23. Correct answer is (D) 39.3 %
Q24. Correct answer is (C) MgO
Q25. Correct answer is (A) H2O2
Q26. Correct answer is (D) Law of conservation of Mass
Q27. Correct answer is (C) 2
Q28. Correct answer is (B) The reaction does not occur
Q29. Correct answer is (C) Cu3(PO4)2 + 2 Fe(OH)3 → 2 FePO4 + 3 Cu(OH)2
Q30. Correct answer is (B) 2 Na + 2 H2O 2 NaOH + H2
21. How many moles of Carbon are in 36.0 g of Carbon? 1.5 moles 3.0 moles...
How many grams of CuO would be required to produce 10.0 moles of nitrogen gas in the following chemical reaction? 2 NH3(g) + 3 CuO(s) → 3 Cu(s) + N2(g) + 3 H2O(g) How many moles of NH3 can be produced from 3.76 moles of nitrogen in the following reaction: N2 (g) + 3 H2 (g) → 2 NH3 (g) Question 12 of 20 Submit How many grams of CuO would be required to produce 10.0 moles of nitrogen gas...
1) How many moles of Cu are in 257.58 g of Cu2O ? A) 0.900 mol B) 7.20 mol C) 3.60 mol D) 1.80 mol 2) How many moles of H2) are needed to produce 15.0 g of HCL (aq) in the following reaction? BCl3 (g) + 3 HCl (aq) > 3 HCl (aq) + B(OH)3 (aq) A) 5.0 mol B) 0.412 mol C) 0.137 mol D) 35.0 mol
If 14.1 moles of Cu and 48.7 moles of HNO3 are allowed to react, how many moles of excess reactant will remain if the reaction goes to completion? 3 Cu + 8 HNO3 → 3Cu(NO3)2 + 2NO + 4H2O
1. How many moles of MgS2O3 are in 225 g of the compound? 2. Determine the empirical formula for a compound that is 64.8% C, 13.6% H, and 21.6% O by mass. 3.A compound is 54.53% C, 9.15% H, and 36.32% O by mass. What is its empirical formula? 4.The Ostwald process is used commercially to produce nitric acid, which is, in turn, used in many modern chemical processes. In the first step of the Ostwald process, ammonia is reacted...
3. Write the formulas of the precipitates in the reactions above. Conduct the interactive experiment for each pair of reactant compounds listed in the tables below. Record observations both before and after the reaction occurs, and then balance the reactions. Observations Different Cations + Phosphate polyatomic ion, PO43- Reaction AgNO (ag) + Na3PO(g) + Ag.PO4(s) + NaNO. (ag) Mg(NO3)2 (ag) + Na3PO4 (ag) – Mg:(PO4)2 (s) + NaNO (ag) Pb(NO3)2 (ag) + Na3PO. (ag) – Pb3(PO4)2 (s) + NaNO (og)...
1) How many moles are there in a 3.967 sample of NaOH? 2) After balancing the following equation, what would be the coefficient that would be needed for Mg3(PO4)2? Mg + H3PO4 → Mg3(PO4)2 + H2 3)According to the following balanced chemical equation, how many moles of iron(III)chloride will be produced from 3.8 moles of iron? 2Fe(s) + 3Cl2(g) → 2FeCl3(s)
Balance the following equations a. Mg(s) + _ Hel (ag) -> H2(g) + Mg Clz (ng) b. LAI (s) + -a -> Alzug c. - Fe₂O3 +_ H2o - Fe (4), 6) d. Ca(OH)2 + _HNO -> Ca(NO3)2 +_ the os Balance each equaten a. Zn + CuBr2 (69) + b. H2(g) + Cl₂(g) → c. MgCO3 (s) - d. kellag) + Ag Noge (ug) -> Single desplacement Combination de composition Couble Reploemet -
In the reaction Ba(OH)2 + 2 HCl -> BaCl2 + 2 H2O, how many moles of HCl are required to react with 1 mol of Ba(OH)2? In the reaction Ba(OH)2 + 2 HCl -> BaCl2 + 2 H2O, how many moles of H+ are required to react with 0.225 mol of OH-? Based on what you know about the stoichiometry of ionic compounds, predict the chemical formula of calcium hydroxide. a. Ca(OOH) b. Ca(H20) c. CaOH d. Ca(OH)2
QUESTION 1 In the commercial manufacture of nitric acid, how many moles of NO2(g) are required to produce 250 grams of nitric acid, HNO3(aq) 3NO2(g) + H20(1) - 2HNO3(aq) + NO(g) 69.5 moles 12.7 moles 23.8 moles 5.95 moles 47.6 moles QUESTION 2 The net ionic equation for the reaction of the strong electrolytes lead nitrate and sodium carbonate to form the precipitate lead carbonate is Pb2+(aq) + CO32-(aq) + 2Na+(aq) + 2NO3- (aq) - PCO3(s) + 2NaNO3(aq) Pb2+(aq) 2NO3"(aq)...
Name Extra Credit 1. Use the reaction equation below to answer a-f below. nomes mas su Pezo, + AcO 2Fe + 3C02 MWilmassa. Balance the chemical reaction above. n=m:M b. If 3.00 moles of Iron(ul) oxide are used how many moles of CO were requirear 3 re,' M- 4790646 150.69 3 meie tronkio me 0.5 moles е со c. If 3.00 moles of Iron (1) oxide are used, how many moles of CO were required Question??? d. If 3.00 moles...